<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div{
            color: red;
            font-size: 20px;
            font-weight: 700;
            line-height: 60px;
            text-indent: 2em;
            text-decoration: underline;
            background-color: yellow;
        }
    </style>
</head>
<body>
    <div>
        蔡老师牛逼蔡老师牛逼蔡老师牛逼蔡老师牛逼蔡老师牛逼蔡老师牛逼蔡老师牛逼蔡老师牛逼蔡老师牛逼
    </div>
</body>
</html>